本题目来源于试卷: Parameters and Typical Relationship，类别为 美国物理杯赛(Physics Bowl)
[单选题]
14.08: A 2.50 g mass connected to h8u* vonnae/4 v22tyvthe end of an ideal spring oscillates in simpv( m ) wk9l. *rn*hm:ugk1owstle harmonic motion. The mass’s position is described as a function of time by x(t) =0.20 cos(8.00 t + 0.50) where all quantities are in base SI units. Which one of the following choices gives the numerical value of the oscillation’s amplitude in basewws1u9v*rk* n .m(kto)g:ml h SI units?
A. 8.00
B. 4.00
C. 1.60
D. 0.50
E. 0.20
参考答案: E
本题详细解析:
暂无
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